<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>登录页</title>
</head>
<body>
    <form action="/doLogin" method="post">
            用户名：<input name="username"><br/>
            密码：<input name="password" type="password"><br/>
            <input type="hidden" name="url" th:value="${url}">
            <input type="submit" value="登录">
    </form>

</body>
</html>